Home / 129,504.33-194,256.97-66,289.95

Finding the Fourth Proportional to 129,504.33, 194,256.97 and 66,289.95

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Solution

The fourth proportional to 129,504.33, 194,256.97 and 66,289.95 is: 99,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.33 : 194,256.97 = 66,289.95 : x
  2. Step 2: Convert to fraction form
    129,504.33/194,256.97 = 66,289.95/x
  3. Step 3: Cross multiply
    129,504.33x = 194,256.97 × 66,289.95
  4. Step 4: Simplify right side
    129,504.33x = 12,877,284,662.73
  5. Step 5: Solve for x
    x = 12,877,284,662.73/129,504.33
  6. Step 6: Final answer
    x = 99,435.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.